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Finding the Third Proportional to 481.50 and 986.06

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Solution

The third proportional to 481.50 and 986.06 is: 2,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.50 : 986.06 = 986.06 : x
  2. Step 2: Convert to fraction form
    481.50/986.06 = 986.06/x
  3. Step 3: Cross multiply
    481.50x = 986.06 × 986.06
  4. Step 4: Simplify right side
    481.50x = 972,319.25
  5. Step 5: Solve for x
    x = 972,319.25/481.50
  6. Step 6: Final answer
    x = 2,019.35

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.